Ch 14 Part 1- Blood Vessels and Pressure- Part 1 Physical Laws Governing Blood Flow and Blood Pressure

Blood flow through blood vessels follows the physical laws describing the flow of any ______ through any system of pipes.

The flow rate of a liquid through the pipes is directly proportional to the difference between the pressures of the two ends of the pipe and inversely proportional to the ______ of the pipe.

Blood flow is higher when the pressure difference between the two ends of the tube is higher and when the resistance to blood flow is ______.

The body has a mechanism to redirect blood from tissues that do not require much blood to tissues that need a lot of ______.

Without a constant supply of oxygen, you will ______.

In a person who is standing up, the heart has to pump blood against ______ to get it to the brain.

Flow = (P1 – P2)/______ = size of the pressure gradient divided by the resistance.

The body can increase blood flow by ______ the pressure gradient.

The body can decrease blood flow by ______ the resistance.

______ flow is a term that refers to the movement of any substance down its pressure gradient.

Mean arterial pressure is greatest in the ______.

Mean arterial pressure is lowest in the ______ as it returns to the heart.

Blood flow increases when mean arterial pressure ______

The pressure gradient is higher in the ______ circuit than in the pulmonary circuit

The most significant drop in blood pressure occurs at the level of the ______

Capillaries consist of a single layer of simple squamous epithelium and a small amount of ______

If the pressure of blood flowing through the capillaries was too high, the capillary walls would ______

Flow = (P1 – P2)/Resistance = The ______/Resistance